#include <stdio.h>
#include <stdlib.h>

int AddFuntion(int a, int b)
{
    return a + b;
}

int SubFuntion(int a, int b)
{
    return a - b;
}

int AuxFuntion(int a, int b)
{
    return a * b;
}

int main(void)
{
    int add = AddFuntion(2, 1);
    int sub = SubFuntion(2, 1);
    int aux = AuxFuntion(2, 1);
    printf("Two nums add is %d\n", add);
    printf("Two nums sub is %d\n", sub);
    printf("Two nums sub is %d\n", aux);
    system("pause");
    return 0;
}